204885200

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{41}}^1$

素因数の和:134

約数の個数: 180

約数和(自身を含む): 561112524

約数和(自身を除く): 356227324

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 31, 40, 41, 50, 52, 62, 65, 80, 82, 100, 104, 124, 130, 155, 164, 200, 205, 208, 248, 260, 310, 325, 328, 400, 403, 410, 496, 520, 533, 620, 650, 656, 775, 806, 820, 961, 1025, 1040, 1066, 1240, 1271, 1300, 1550, 1612, 1640, 1922, 2015, 2050, 2132, 2480, 2542, 2600, 2665, 3100, 3224, 3280, 3844, 4030, 4100, 4264, 4805, 5084, 5200, 5330, 6200, 6355, 6448, 7688, 8060, 8200, 8528, 9610, 10075, 10168, 10660, 12400, 12493, 12710, 13325, 15376, 16120, 16400, 16523, 19220, 20150, 20336, 21320, 24025, 24986, 25420, 26650, 31775, 32240, 33046, 38440, 39401, 40300, 42640, 48050, 49972, 50840, 53300, 62465, 63550, 66092, 76880, 78802, 80600, 82615, 96100, 99944, 101680, 106600, 124930, 127100, 132184, 157604, 161200, 165230, 192200, 197005, 199888, 213200, 249860, 254200, 264368, 312325, 315208, 330460, 384400, 394010, 413075, 499720, 508400, 512213, 624650, 630416, 660920, 788020, 826150, 985025, 999440, 1024426, 1249300, 1321840, 1576040, 1652300, 1970050, 2048852, 2498600, 2561065, 3152080, 3304600, 3940100, 4097704, 4997200, 5122130, 6609200, 7880200, 8195408, 10244260, 12805325, 15760400, 20488520, 25610650, 40977040, 51221300, 102442600, 204885200]

約数ペア:

[(1, 204885200), (2, 102442600), (4, 51221300), (5, 40977040), (8, 25610650), (10, 20488520), (13, 15760400), (16, 12805325), (20, 10244260), (25, 8195408), (26, 7880200), (31, 6609200), (40, 5122130), (41, 4997200), (50, 4097704), (52, 3940100), (62, 3304600), (65, 3152080), (80, 2561065), (82, 2498600), (100, 2048852), (104, 1970050), (124, 1652300), (130, 1576040), (155, 1321840), (164, 1249300), (200, 1024426), (205, 999440), (208, 985025), (248, 826150), (260, 788020), (310, 660920), (325, 630416), (328, 624650), (400, 512213), (403, 508400), (410, 499720), (496, 413075), (520, 394010), (533, 384400), (620, 330460), (650, 315208), (656, 312325), (775, 264368), (806, 254200), (820, 249860), (961, 213200), (1025, 199888), (1040, 197005), (1066, 192200), (1240, 165230), (1271, 161200), (1300, 157604), (1550, 132184), (1612, 127100), (1640, 124930), (1922, 106600), (2015, 101680), (2050, 99944), (2132, 96100), (2480, 82615), (2542, 80600), (2600, 78802), (2665, 76880), (3100, 66092), (3224, 63550), (3280, 62465), (3844, 53300), (4030, 50840), (4100, 49972), (4264, 48050), (4805, 42640), (5084, 40300), (5200, 39401), (5330, 38440), (6200, 33046), (6355, 32240), (6448, 31775), (7688, 26650), (8060, 25420), (8200, 24986), (8528, 24025), (9610, 21320), (10075, 20336), (10168, 20150), (10660, 19220), (12400, 16523), (12493, 16400), (12710, 16120), (13325, 15376)]